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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 647 · 40 questions
TalentJR

Developer's tip (Stack of screens): Open a screen → it goes on top of the stack. Back → the top screen closes; you see the one underneath. Tap a tab → you jump to that tab’s main screen. Backs needed to get home = screens on the stack − 1.

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  1. 1.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. open “Match report”
    4. tap Back
    5. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Match report (c) Quiz (d) Me
  2. 2.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) so users do not get lost (d) to hide the menu
  3. 3.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  4. 4.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) switches main sections (d) opens a list of pages
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. tap the Feed tab
    Which screen are you on now?     (a) Badges (b) Chat (c) Feed (d) Settings
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    4. tap the Profile tab
    5. open “Badges”
    Which screen are you on now?     (a) Video (b) Match report (c) Badges (d) Home
  7. 7.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
  8. 8.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Video (b) Quiz (c) Friend list (d) Lessons
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. open “Match report”
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Quiz (c) Lessons (d) Match report
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. tap the Chat tab
    4. open “Edit photo”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    4. tap the Search tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Video (b) Edit photo (c) Search (d) Home
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Help page”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Match report (b) Lessons (c) Me (d) Quiz
  16. 16.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  17. 17.Which of these is true of a menu button? (a) sits at the bottom (b) goes to the last screen (c) hides extra links (d) shows 3 to 5 icons
  18. 18.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap Back
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Match report”
    4. tap Back
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Match report”
    4. open “Help page”
    Which screen are you on now?     (a) Match report (b) Map (c) Lessons (d) Help page
  23. 23.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) goes to the last screen (d) switches main sections
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Settings (c) Badges (d) Chat
  25. 25.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Map”
    3. tap Back
    4. tap the Search tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Map (c) Edit photo (d) Friend list
  27. 27.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 20 (d) 3 to 5
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. tap the Home tab
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Map (b) Home (c) Search (d) Profile
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. open “Map”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Badges (c) Lessons (d) Map
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. open “Friend list”
    4. tap the Profile tab
    5. open “Map”
    Which screen are you on now?     (a) Home (b) Map (c) Edit photo (d) Friend list
  31. 31.Which of these is true of a tab bar? (a) opens a list of pages (b) sits at the bottom (c) undoes one move (d) goes to the last screen
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Feed (b) Map (c) Friend list (d) Chat
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Friend list”
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Friend list (c) Video (d) Profile
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap the Home tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. open “Score card”
    4. tap the Home tab
    5. tap the Home tab
    Which screen are you on now?     (a) Score card (b) Match report (c) Search (d) Home
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Quiz tab
    3. open “Friend list”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Map”
    4. open “Match report”
    Which screen are you on now?     (a) Feed (b) Map (c) Match report (d) Badges
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. tap Back
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap Back
    4. tap Back
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. Lessons
  2. so users do not get lost
  3. the back button
  4. goes to the last screen
  5. Feed
  6. Badges
  7. at the bottom
  8. a tab bar
  9. Friend list
  10. 0
  11. Match report
  12. 2
  13. Edit photo
  14. 0
  15. Lessons
  16. goes to the last screen
  17. hides extra links
  18. a tab bar
  19. 1
  20. 0
  21. a tab bar
  22. Help page
  23. switches main sections
  24. Badges
  25. a menu button
  26. Edit photo
  27. 3 to 5
  28. Home
  29. Lessons
  30. Map
  31. sits at the bottom
  32. Map
  33. 2
  34. Profile
  35. 1
  36. Home
  37. 0
  38. Match report
  39. 0
  40. 0

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